California Air Resources Board

Chapter 4: Regional Trends and Forecasts

1. Introduction
2. South Coast Air Basin
   1. Introduction
   2. Emissions Trends and Forecasts
      1. Basinwide Trends/Population and Vehicle Miles Traveled
      2. Ozone Precursor Emissions
      3. Directly Emitted PM_2.5 Emissions
      4. Diesel PM Emissions
      5. Ammonia Emissions
   3. Air Quality
      1. Ozone
      2. Particulate Matter (PM_2.5)
      3. Nitrogen Dioxide
3. San Francisco Bay Area Air Basin
   1. Introduction
   2. Emissions Trends and Forecasts
      1. Basinwide Trends/Population and Vehicle Miles Traveled
      2. Ozone Precursor Emissions
      3. Directly Emitted PM_2.5 Emissions
      4. Diesel PM Emissions
      5. Ammonia Emissions
   3. Air Quality
      1. Ozone
      2. Particulate Matter (PM_2.5)
      3. Nitrogen Dioxide
4. San Joaquin Valley Air Basin
   1. Introduction
   2. Emissions Trends and Forecasts
      1. Basinwide Trends/Population and Vehicle Miles Traveled
      2. Ozone Precursor Emissions
      3. Directly Emitted PM_2.5 Emissions
      4. Diesel PM Emissions
      5. Ammonia Emissions
   3. Air Quality
      1. Ozone
      2. Particulate Matter (PM_2.5)
      3. Nitrogen Dioxide
5. San Diego Air Basin
   1. Introduction
   2. Emissions Trends and Forecasts
      1. Basinwide Trends/Population and Vehicle Miles Traveled
      2. Ozone Precursor Emissions
      3. Directly Emitted PM_2.5 Emissions
      4. Diesel PM Emissions
      5. Ammonia Emissions
   3. Air Quality
      1. Ozone
      2. Particulate Matter (PM_2.5)
      3. Nitrogen Dioxide
6. Sacramento Valley Air Basin
   1. Introduction
   2. Emissions Trends and Forecasts
      1. Basinwide Trends/Population and Vehicle Miles Traveled
      2. Ozone Precursor Emissions
      3. Directly Emitted PM_2.5 Emissions
      4. Diesel PM Emissions
      5. Ammonia Emissions
   3. Air Quality
      1. Ozone
      2. Particulate Matter (PM_2.5)
      3. Nitrogen Dioxide

Figures in Chapter 4

South Coast Air Basin

4-1 Air Basin Map
4-2 Percent Growth in Population and VMT
4-3 NO_x Emission Trends
4-4 VOC Emission Trends
4-5 Directly Emitted PM_2.5 Emission Trends
4-6 Diesel PM Emission Trends
4-7 Ammonia Emission Trends
4-8 Ozone Air Quality Trend
4-9 Ozone Contour Map - 1992
4-10 Ozone Contour Map - 2011
4-11 PM_2.5 Air Quality Trend
4-12 NO₂ Air Quality Trend

San Francisco Bay Area Air Basin

4-13 Air Basin Map
4-14 Percent Growth in Population and VMT
4-15 NO_x Emission Trends
4-16 VOC Emission Trends
4-17 Directly Emitted PM_2.5 Emission Trends
4-18 Diesel PM Emission Trends
4-19 Ammonia Emission Trends
4-20 Ozone Air Quality Trend
4-21 PM_2.5 Air Quality Trend
4-22 NO₂ Air Quality Trend

San Joaquin Valley Air Basin

4-23 Air Basin Map
4-24 Percent Growth in Population and VMT
4-25 NO_x Emission Trends
4-26 VOC Emission Trends
4-27 Directly Emitted PM_2.5 Emission Trends
4-28 Diesel PM Emission Trends
4-29 Ammonia Emission Trends
4-30 Ozone Air Quality Trend
4-31 Ozone Contour Map - 1992
4-32 Ozone Contour Map - 2011
4-33 PM_2.5 Air Quality Trend
4-34 NO₂ Air Quality Trend

San Diego Air Basin

4-35 Air Basin Map
4-36 Percent Growth in Population and VMT
4-37 NO_x Emission Trends
4-38 VOC Emission Trends
4-39 Directly Emitted PM_2.5 Emission Trends
4-40 Diesel PM Emission Trends
4-41 Ammonia Emission Trends
4-42 Ozone Air Quality Trend
4-43 PM_2.5 Air Quality Trend
4-44 NO₂ Air Quality Trend

Sacramento Metropolitan Area

4-45 Air Basin Map
4-46 Percent Growth in Population and VMT
4-47 NO_x Emission Trends
4-48 VOC Emission Trends
4-49 Directly Emitted PM_2.5 Emission Trends
4-50 Diesel PM Emission Trends
4-51 Ammonia Emission Trends
4-52 Ozone Air Quality Trend
4-53 PM_2.5 Air Quality Trend
4-54 NO₂ Air Quality Trend

Tables in Chapter 4